CSS3实现自定义聊天窗口特效代价

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以下是 CSS3实现自定义聊天窗口特效代价的示例演示效果:

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部分效果截图:

HTML代码(index.html):

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>CSS3实现自定义聊天窗口</title>
  <link rel="stylesheet" href="css/style.css" media="screen" type="text/css" />
</head>
<body>
  <div id="convo" data-from="Sonu Joshi">  
<ul class="chat-thread">
	<li>Are we meeting today?</li>
	<li>yes, what time suits you?</li>
	<li>I was thinking after lunch, I have a meeting in the morning</li>
  	<li>Are we meeting today?</li>
	<li>yes, what time suits you?</li>
	<li>I was thinking after lunch, I have a meeting in the morning</li>
  	<li>Are we meeting today?</li>
	<li>yes, what time suits you?</li>
	<li>I was thinking after lunch, I have a meeting in the morning</li>
  	<li>Are we meeting today?</li>
	<li>yes, what time suits you?</li>
	<li>I was thinking after lunch, I have a meeting in the morning</li>
</ul>
</div>
</body>
</html>

CSS代码(style.css):

body{padding:0;margin:0;background:-moz-linear-gradient(-45deg,#183850 0,#183850 25%,#192c46 50%,#22254c 75%,#22254c 100%);background:-webkit-linear-gradient(-45deg,#183850 0,#183850 25%,#192c46 50%,#22254c 75%,#22254c 100%);background-repeat:no-repeat;background-attachment:fixed;}
::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{border-radius:10px;background-color:rgba(25,147,147,0.1);}
::-webkit-scrollbar-thumb{border-radius:10px;background-color:rgba(25,147,147,0.2);}
.chat-thread{margin:24px auto 0 auto;padding:0 20px 0 0;list-style:none;overflow-y:scroll;overflow-x:hidden;}
.chat-thread li{position:relative;clear:both;display:inline-block;padding:16px 40px 16px 20px;margin:0 0 20px 0;font:16px/20px 'Noto Sans',sans-serif;border-radius:10px;background-color:rgba(25,147,147,0.2);}
/* Chat - Avatar */
.chat-thread li:before{position:absolute;top:0;width:50px;height:50px;border-radius:50px;content:'';}
/* Chat - Speech Bubble Arrow */
.chat-thread li:after{position:absolute;top:15px;content:'';width:0;height:0;border-top:15px solid rgba(25,147,147,0.2);}
.chat-thread li:nth-child(odd){animation:show-chat-odd 0.15s 1 ease-in;-moz-animation:show-chat-odd 0.15s 1 ease-in;-webkit-animation:show-chat-odd 0.15s 1 ease-in;float:right;margin-right:80px;color:#0AD5C1;}
.chat-thread li:nth-child(odd):before{right:-80px;background-image:url(data:image/jpeg;base64,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);}
.chat-thread li:nth-child(odd):after{border-right:15px solid transparent;right:-15px;}
.chat-thread li:nth-child(even){animation:show-chat-even 0.15s 1 ease-in;-moz-animation:show-chat-even 0.15s 1 ease-in;-webkit-animation:show-chat-even 0.15s 1 ease-in;float:left;margin-left:80px;color:#0EC879;}
.chat-thread li:nth-child(even):before{left:-80px;background-image:url(data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEAYABgAAD/4QBoRXhpZgAATU0AKgAAAAgABAEaAAUAAAABAAAAPgEbAAUAAAABAAAARgEoAAMAAAABAAIAAAExAAIAAAASAAAATgAAAAAAAABgAAAAAQAAAGAAAAABUGFpbnQuTkVUIHYzLjUuMTAA/9sAQwAHBQUGBQQHBgUGCAcHCAoRCwoJCQoVDxAMERgVGhkYFRgXGx4nIRsdJR0XGCIuIiUoKSssKxogLzMvKjInKisq/9sAQwEHCAgKCQoUCwsUKhwYHCoqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq/8AAEQgAMgAyAwEiAAIRAQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKC//EALUQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHwJDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2drh4uPk5ebn6Onq8fLz9PX29/j5+v/EAB8BAAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIBAgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEXGBkaJicoKSo1Njc4OTpDREVGR0hJSlNUVVZXWFlaY2RlZmdoaWpzdHV2d3h5eoKDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uLj5OXm5+jp6vLz9PX29/j5+v/aAAwDAQACEQMRAD8A8tq7pmj3urzbLKEsB95zwq/U1PoGjSa5qiWyErGPmlcfwr/jXZeMryHwp4VjtbECFrg+WgU4IXGWP17Z963lLWy3PNhC6uzhdSTTdIkMMty97MvDi3wqKfTcc5/KoLfUdDnkWOYXtpuOPNZlkVfcgAHFW9E8G6v4hAnXyrSBuVabOSPYdas618PNY0u3MiPb30ajJWMFW/AHrRzQ2ub+yfYS/wDDV3aQieBlu7cjcJIuePXH+FY1dR8O9SeYXGjzElYlMsIbqnOGX6c5/On+K9BWDN9artGf3qAf+PVKk1LlkZyp6XRymKKWitDG56h8N9OWPRJLsj57iU8/7K8D9c1lfE/TpZ/E3h9iC8EiumzHG4HP65FdL8PJFk8J2yr1jd1b67if61q+K9NS5023vjw+mzfaF4zkY2kfrn8K52/ebOyCXKjltJ1i5tpEimsY1ULuc7zlRnHpj8Kt6/qTzKI7aTyo9wV5VTecnpgH+dSXM0baJNcSFVC8t71HpNzaT31+IH8xAiNg467emPy5rDQ7LHHaNZ3Ft8ULPLfNPFI0jKu3zF2nkjtniu21W3WS3kjkGVZSpHtWZ4atP7Q8aahqshwLOEQRrju/P8h+ta+rSAKRWjd0jnkrNnkcsZimeNuqMVP4UVJesJL+4dejSsR+dFdi2PPe52Xw31xLO8m025cIk58yIscAMByPxAH5V1mufEDQLC1ltS51GWRChht+Rzxgt0H6144RVK5gmGWhOR6DqKjkTdzSnUsrHTm6c6kNP1jzMQgmNScoT159eOKLzVbG2xf27NBdoyqqR4G72OBg8U2yuLfxLbJFcOI79F2up4Lf7Qpt5olposf2q9n+XPyqzZYn2FYW1sdyloWvDfxAh0AXFrqljJ/pMnnNcxnLc8AFT2GO1aureKbG70559PuVlLfKoHBBPqOorze48/VbxpymxTgD0VR0FXbe3S3j2p1PU+tbezW5yzqW0RJRS0VocwtFFFMkQqpIJUEjpkUFFZtzKC3qRzRRS6mq+EWkNFFBmLRRRQB//9k=);}
.chat-thread li:nth-child(even):after{border-left:15px solid transparent;left:-15px;}
.chat-window{position:fixed;bottom:18px;}
.chat-window-message{width:100%;height:48px;font:32px/48px 'Noto Sans',sans-serif;background:none;color:#0AD5C1;border:0;border-bottom:1px solid rgba(25,147,147,0.2);outline:none;}
/* Small screens */
@media all and (max-width:767px){.chat-thread{width:90%;height:260px;}
.chat-window{left:5%;width:90%;}
}
/* Medium and large screens */
@media all and (min-width:768px){.chat-thread{width:50%;height:320px;}
.chat-window{left:25%;width:50%;}
}
@keyframes show-chat-even{0%{margin-left:-480px;}
100%{margin-left:0;}
}
@-moz-keyframes show-chat-even{0%{margin-left:-480px;}
100%{margin-left:0;}
}
@-webkit-keyframes show-chat-even{0%{margin-left:-480px;}
100%{margin-left:0;}
}
@keyframes show-chat-odd{0%{margin-right:-480px;}
100%{margin-right:0;}
}
@-moz-keyframes show-chat-odd{0%{margin-right:-480px;}
100%{margin-right:0;}
}
@-webkit-keyframes show-chat-odd{0%{margin-right:-480px;}
100%{margin-right:0;}
}
.credits{text-align:center;margin-top:35px;color:rgba(255,255,255,0.35);font-family:'Noto Sans',sans-serif;}
.credits a{text-decoration:none;color:rgba(255,255,255,0.35);}

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